.content {
    width: 1200px*0.9;
    margin: 10px*0.9 auto 40px*0.9;
    overflow: hidden;
    >div:nth-of-type(1) {
        float: left;
        width: 180px*0.9;
        a {
            display: block;
            width: 180px*0.9;
            height: 45px*0.9;
            background-color: #ffffff;
            border-radius: 5px;
            text-align: center;
            line-height: 45px*0.9;
            margin-bottom: 10px*0.9;
            position: relative;
            span {
                position: absolute;
                left: 0;
                display: block;
                height: 100%;
                width: 0;
                border-radius: 5px 0 0 5px;
                transition: width .5s;
                -moz-transition: width .5s;
                /* Firefox 4 */
                -webkit-transition: width .5s;
                /* Safari and Chrome */
                -o-transition: width .5s;
                /* Opera */
            }
        }
        a:hover {
            span {
                width: 10px*0.9;
                background: #f83030;
            }
        }
        .zhong {
            span {
                width: 10px*0.9;
                background: #f83030;
            }
        }
    }
    >div:nth-of-type(2) {
        float: right;
        width: 1010px*0.9;
        height: 890px*0.9;
        background-color: #ffffff;
        border-radius: 5px;
        >div {
            width: 990px*0.9;
            margin: 0 auto;
            p {
                padding-left: 15px*0.9;
                height: 60px*0.9;
                line-height: 60px*0.9;
                border-bottom: 1px solid #ececec;
            }
        }
    }
}